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Finding the Fourth Proportional to 723,456,807.60, 1,014,200,019.60 and 723,456,807.60

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Solution

The fourth proportional to 723,456,807.60, 1,014,200,019.60 and 723,456,807.60 is: 1,014,200,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,456,807.60 : 1,014,200,019.60 = 723,456,807.60 : x
  2. Step 2: Convert to fraction form
    723,456,807.60/1,014,200,019.60 = 723,456,807.60/x
  3. Step 3: Cross multiply
    723,456,807.60x = 1,014,200,019.60 × 723,456,807.60
  4. Step 4: Simplify right side
    723,456,807.60x = 733,729,908,447,673,472
  5. Step 5: Solve for x
    x = 733,729,908,447,673,472/723,456,807.60
  6. Step 6: Final answer
    x = 1,014,200,019.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.